docs: def extra_from_record(self, record):
          """Returns `extra` dict you passed to logger.
  
          The `extra` keyword argument is used to populate the `__dict__` of
          the `LogRecord`.
  
          """
          return {
              attr_name: record.__dict__[attr_name]
              for attr_name in record.__dict__
              if attr_name not in BUILTIN_ATTRS
          }